Celestron Dual Axis Motor Drive - CG-4 Mounts - 93522 2X Barlows preventing stray light from reflecting

preventing stray light from reflecting off the first surface and extraneous light from entering your eye pays off in a nice increase in perceived contrast

Field Stop Diameter:      11

absolutely scratch resistant

TeleVue 4X Powermate 4201 T-Ring Adapter - 2" Specifications

and rough handling

Celestron Dual Axis Motor Drive - CG-4 Mounts - 93522 2X Barlows preventing stray light from reflectingAbout the Celestron Dual Axis Motor Drive CG 4 Mounts This Celestron Dual Axis Motor Drive, with drive corrector capabilities, is designed for Celestron'''s CG 4 mounts for tracking in RA and allows movement in DEC. It precisely controls the telescope'''s tracking speed during long, timed exposures of celestial objects, producing the best possible image sharpness. Precision drive correctors are a must for those with a serious interest in